package cn.test;


public class JsonStr {

    public static void main(String[] args) {
        String str = "asdf";

        //language=JSON
        String jsonStr01 = "{\"name\": \"hanyx\", \"age\": 30}";

//        jsonStr01 =  null ;
        if (jsonStr01 == null) {

            jsonStr01 = "{}";
        }

        if (jsonStr01 != null) {

        }

        JsonStr vo = new JsonStr();
        if (vo != null) {

        }
        System.out.println(jsonStr01);

        try {

        } catch (Exception e) {

        }
    }
}
